office-gobmx/basegfx/source/tools/canvastools.cxx
2012-02-01 16:34:50 +00:00

549 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <com/sun/star/geometry/RealSize2D.hpp>
#include <com/sun/star/geometry/RealPoint2D.hpp>
#include <com/sun/star/geometry/RealRectangle2D.hpp>
#include <com/sun/star/geometry/RealRectangle3D.hpp>
#include <com/sun/star/geometry/RealBezierSegment2D.hpp>
#include <com/sun/star/geometry/AffineMatrix2D.hpp>
#include <com/sun/star/geometry/AffineMatrix3D.hpp>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <com/sun/star/geometry/IntegerSize2D.hpp>
#include <com/sun/star/geometry/IntegerPoint2D.hpp>
#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <basegfx/tools/unopolypolygon.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/range/b3drange.hxx>
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <basegfx/range/b2irectangle.hxx>
#include <basegfx/range/b2ibox.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <limits>
using namespace ::com::sun::star;
namespace basegfx
{
namespace unotools
{
namespace
{
uno::Sequence< geometry::RealBezierSegment2D > bezierSequenceFromB2DPolygon(const ::basegfx::B2DPolygon& rPoly)
{
const sal_uInt32 nPointCount(rPoly.count());
uno::Sequence< geometry::RealBezierSegment2D > outputSequence(nPointCount);
geometry::RealBezierSegment2D* pOutput = outputSequence.getArray();
// fill sequences and imply clodes polygon on this implementation layer
for(sal_uInt32 a(0); a < nPointCount; a++)
{
const basegfx::B2DPoint aStart(rPoly.getB2DPoint(a));
const basegfx::B2DPoint aControlA(rPoly.getNextControlPoint(a));
const basegfx::B2DPoint aControlB(rPoly.getPrevControlPoint((a + 1) % nPointCount));
pOutput[a] = geometry::RealBezierSegment2D(
aStart.getX(), aStart.getY(),
aControlA.getX(), aControlA.getY(),
aControlB.getX(), aControlB.getY());
}
return outputSequence;
}
uno::Sequence< geometry::RealPoint2D > pointSequenceFromB2DPolygon( const ::basegfx::B2DPolygon& rPoly )
{
const sal_uInt32 nNumPoints( rPoly.count() );
uno::Sequence< geometry::RealPoint2D > outputSequence( nNumPoints );
geometry::RealPoint2D* pOutput = outputSequence.getArray();
// fill sequence from polygon
sal_uInt32 i;
for( i=0; i<nNumPoints; ++i )
{
const ::basegfx::B2DPoint aPoint( rPoly.getB2DPoint(i) );
pOutput[i] = geometry::RealPoint2D( aPoint.getX(),
aPoint.getY() );
}
return outputSequence;
}
}
//---------------------------------------------------------------------------------------
uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > bezierSequenceSequenceFromB2DPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly )
{
const sal_uInt32 nNumPolies( rPolyPoly.count() );
sal_uInt32 i;
uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > outputSequence( nNumPolies );
uno::Sequence< geometry::RealBezierSegment2D >* pOutput = outputSequence.getArray();
for( i=0; i<nNumPolies; ++i )
{
pOutput[i] = bezierSequenceFromB2DPolygon( rPolyPoly.getB2DPolygon(i) );
}
return outputSequence;
}
//---------------------------------------------------------------------------------------
uno::Sequence< uno::Sequence< geometry::RealPoint2D > > pointSequenceSequenceFromB2DPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly )
{
const sal_uInt32 nNumPolies( rPolyPoly.count() );
sal_uInt32 i;
uno::Sequence< uno::Sequence< geometry::RealPoint2D > > outputSequence( nNumPolies );
uno::Sequence< geometry::RealPoint2D >* pOutput = outputSequence.getArray();
for( i=0; i<nNumPolies; ++i )
{
pOutput[i] = pointSequenceFromB2DPolygon( rPolyPoly.getB2DPolygon(i) );
}
return outputSequence;
}
//---------------------------------------------------------------------------------------
uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromB2DPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
const ::basegfx::B2DPolygon& rPoly )
{
uno::Reference< rendering::XPolyPolygon2D > xRes;
if( !xGraphicDevice.is() )
return xRes;
if( rPoly.areControlPointsUsed() )
{
uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > outputSequence( 1 );
outputSequence[0] = bezierSequenceFromB2DPolygon( rPoly );
xRes.set( xGraphicDevice->createCompatibleBezierPolyPolygon( outputSequence ),
uno::UNO_QUERY );
}
else
{
uno::Sequence< uno::Sequence< geometry::RealPoint2D > > outputSequence( 1 );
outputSequence[0] = pointSequenceFromB2DPolygon( rPoly );
xRes.set( xGraphicDevice->createCompatibleLinePolyPolygon( outputSequence ),
uno::UNO_QUERY );
}
if( xRes.is() && rPoly.isClosed() )
xRes->setClosed( 0, sal_True );
return xRes;
}
//---------------------------------------------------------------------------------------
uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromB2DPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
const ::basegfx::B2DPolyPolygon& rPolyPoly )
{
uno::Reference< rendering::XPolyPolygon2D > xRes;
if( !xGraphicDevice.is() )
return xRes;
const sal_uInt32 nNumPolies( rPolyPoly.count() );
sal_uInt32 i;
if( rPolyPoly.areControlPointsUsed() )
{
xRes.set( xGraphicDevice->createCompatibleBezierPolyPolygon(
bezierSequenceSequenceFromB2DPolyPolygon( rPolyPoly ) ),
uno::UNO_QUERY );
}
else
{
xRes.set( xGraphicDevice->createCompatibleLinePolyPolygon(
pointSequenceSequenceFromB2DPolyPolygon( rPolyPoly ) ),
uno::UNO_QUERY );
}
for( i=0; i<nNumPolies; ++i )
{
xRes->setClosed( i, rPolyPoly.getB2DPolygon(i).isClosed() );
}
return xRes;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DPolygon polygonFromPoint2DSequence( const uno::Sequence< geometry::RealPoint2D >& points )
{
const sal_Int32 nCurrSize( points.getLength() );
::basegfx::B2DPolygon aPoly;
for( sal_Int32 nCurrPoint=0; nCurrPoint<nCurrSize; ++nCurrPoint )
aPoly.append( b2DPointFromRealPoint2D( points[nCurrPoint] ) );
return aPoly;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DPolyPolygon polyPolygonFromPoint2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
{
::basegfx::B2DPolyPolygon aRes;
for( sal_Int32 nCurrPoly=0; nCurrPoly<points.getLength(); ++nCurrPoly )
{
aRes.append( polygonFromPoint2DSequence( points[nCurrPoly] ) );
}
return aRes;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DPolygon polygonFromBezier2DSequence( const uno::Sequence< geometry::RealBezierSegment2D >& curves )
{
const sal_Int32 nSize(curves.getLength());
basegfx::B2DPolygon aRetval;
if(nSize)
{
// prepare start with providing a start point. Use the first point from
// the sequence for this
const geometry::RealBezierSegment2D& rFirstSegment(curves[0]); // #i79917# first segment, not last
aRetval.append(basegfx::B2DPoint(rFirstSegment.Px, rFirstSegment.Py));
for(sal_Int32 a(0); a < nSize; a++)
{
const geometry::RealBezierSegment2D& rCurrSegment(curves[a]);
const geometry::RealBezierSegment2D& rNextSegment(curves[(a + 1) % nSize]);
// append curved edge with the control points and the next point
aRetval.appendBezierSegment(
basegfx::B2DPoint(rCurrSegment.C1x, rCurrSegment.C1y),
basegfx::B2DPoint(rCurrSegment.C2x, rCurrSegment.C2y), // #i79917# Argh! An x for an y!!
basegfx::B2DPoint(rNextSegment.Px, rNextSegment.Py));
}
// rescue the control point and remove the now double-added point
aRetval.setPrevControlPoint(0, aRetval.getPrevControlPoint(aRetval.count() - 1));
aRetval.remove(aRetval.count() - 1);
}
return aRetval;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DPolyPolygon polyPolygonFromBezier2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& curves )
{
::basegfx::B2DPolyPolygon aRes;
for( sal_Int32 nCurrPoly=0; nCurrPoly<curves.getLength(); ++nCurrPoly )
{
aRes.append( polygonFromBezier2DSequence( curves[nCurrPoly] ) );
}
return aRes;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DPolyPolygon b2DPolyPolygonFromXPolyPolygon2D( const uno::Reference< rendering::XPolyPolygon2D >& xPoly )
{
::basegfx::unotools::UnoPolyPolygon* pPolyImpl =
dynamic_cast< ::basegfx::unotools::UnoPolyPolygon* >( xPoly.get() );
if( pPolyImpl )
{
return pPolyImpl->getPolyPolygon();
}
else
{
// not a known implementation object - try data source
// interfaces
const sal_Int32 nPolys( xPoly->getNumberOfPolygons() );
uno::Reference< rendering::XBezierPolyPolygon2D > xBezierPoly(
xPoly,
uno::UNO_QUERY );
if( xBezierPoly.is() )
{
return ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence(
xBezierPoly->getBezierSegments( 0,
nPolys,
0,
-1 ) );
}
else
{
uno::Reference< rendering::XLinePolyPolygon2D > xLinePoly(
xPoly,
uno::UNO_QUERY );
// no implementation class and no data provider
// found - contract violation.
if( !xLinePoly.is() )
{
throw lang::IllegalArgumentException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(): Invalid input"
"poly-polygon, cannot retrieve vertex data")),
uno::Reference< uno::XInterface >(),
0 );
}
return ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence(
xLinePoly->getPoints( 0,
nPolys,
0,
-1 ));
}
}
}
//---------------------------------------------------------------------------------------
::basegfx::B2DHomMatrix& homMatrixFromAffineMatrix( ::basegfx::B2DHomMatrix& output,
const geometry::AffineMatrix2D& input )
{
// ensure last row is [0,0,1] (and optimized away)
output.identity();
output.set(0,0, input.m00);
output.set(0,1, input.m01);
output.set(0,2, input.m02);
output.set(1,0, input.m10);
output.set(1,1, input.m11);
output.set(1,2, input.m12);
return output;
}
::basegfx::B3DHomMatrix homMatrixFromAffineMatrix3D( const ::com::sun::star::geometry::AffineMatrix3D& input )
{
::basegfx::B3DHomMatrix output;
output.set(0,0, input.m00);
output.set(0,1, input.m01);
output.set(0,2, input.m02);
output.set(0,3, input.m03);
output.set(1,0, input.m10);
output.set(1,1, input.m11);
output.set(1,2, input.m12);
output.set(1,3, input.m13);
output.set(2,0, input.m20);
output.set(2,1, input.m21);
output.set(2,2, input.m22);
output.set(2,3, input.m23);
return output;
}
geometry::AffineMatrix2D& affineMatrixFromHomMatrix( geometry::AffineMatrix2D& output,
const ::basegfx::B2DHomMatrix& input)
{
output.m00 = input.get(0,0);
output.m01 = input.get(0,1);
output.m02 = input.get(0,2);
output.m10 = input.get(1,0);
output.m11 = input.get(1,1);
output.m12 = input.get(1,2);
return output;
}
geometry::AffineMatrix3D& affineMatrixFromHomMatrix3D(
geometry::AffineMatrix3D& output,
const ::basegfx::B3DHomMatrix& input)
{
output.m00 = input.get(0,0);
output.m01 = input.get(0,1);
output.m02 = input.get(0,2);
output.m03 = input.get(0,3);
output.m10 = input.get(1,0);
output.m11 = input.get(1,1);
output.m12 = input.get(1,2);
output.m13 = input.get(1,3);
output.m20 = input.get(2,0);
output.m21 = input.get(2,1);
output.m22 = input.get(2,2);
output.m23 = input.get(2,3);
return output;
}
//---------------------------------------------------------------------------------------
::basegfx::B2DHomMatrix& homMatrixFromMatrix( ::basegfx::B2DHomMatrix& output,
const geometry::Matrix2D& input )
{
// ensure last row is [0,0,1] (and optimized away)
output.identity();
output.set(0,0, input.m00);
output.set(0,1, input.m01);
output.set(1,0, input.m10);
output.set(1,1, input.m11);
return output;
}
//---------------------------------------------------------------------------------------
geometry::RealSize2D size2DFromB2DSize( const ::basegfx::B2DVector& rVec )
{
return geometry::RealSize2D( rVec.getX(),
rVec.getY() );
}
geometry::RealPoint2D point2DFromB2DPoint( const ::basegfx::B2DPoint& rPoint )
{
return geometry::RealPoint2D( rPoint.getX(),
rPoint.getY() );
}
geometry::RealRectangle2D rectangle2DFromB2DRectangle( const ::basegfx::B2DRange& rRect )
{
return geometry::RealRectangle2D( rRect.getMinX(),
rRect.getMinY(),
rRect.getMaxX(),
rRect.getMaxY() );
}
geometry::RealRectangle3D rectangle3DFromB3DRectangle( const ::basegfx::B3DRange& rRect )
{
return geometry::RealRectangle3D( rRect.getMinX(),
rRect.getMinY(),
rRect.getMinZ(),
rRect.getMaxX(),
rRect.getMaxY(),
rRect.getMaxZ());
}
::basegfx::B2DPoint b2DPointFromRealPoint2D( const geometry::RealPoint2D& rPoint )
{
return ::basegfx::B2DPoint( rPoint.X,
rPoint.Y );
}
::basegfx::B2DRange b2DRectangleFromRealRectangle2D( const geometry::RealRectangle2D& rRect )
{
return ::basegfx::B2DRange( rRect.X1,
rRect.Y1,
rRect.X2,
rRect.Y2 );
}
::basegfx::B3DRange b3DRectangleFromRealRectangle3D( const geometry::RealRectangle3D& rRect )
{
return ::basegfx::B3DRange( rRect.X1,
rRect.Y1,
rRect.Z1,
rRect.X2,
rRect.Y2,
rRect.Z2);
}
geometry::IntegerSize2D integerSize2DFromB2ISize( const ::basegfx::B2IVector& rSize )
{
return geometry::IntegerSize2D( rSize.getX(),
rSize.getY() );
}
::basegfx::B2IVector b2ISizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize )
{
return ::basegfx::B2IVector( rSize.Width,
rSize.Height );
}
::basegfx::B2IRange b2IRectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle )
{
return ::basegfx::B2IRange( rRectangle.X1, rRectangle.Y1,
rRectangle.X2, rRectangle.Y2 );
}
::basegfx::B2IRange b2IRectangleFromAwtRectangle( const awt::Rectangle& rRect )
{
return ::basegfx::B2IRange( rRect.X,
rRect.Y,
rRect.X + rRect.Width,
rRect.Y + rRect.Height );
}
::basegfx::B2IBox b2ISurroundingBoxFromB2DRange( const ::basegfx::B2DRange& rRange )
{
return ::basegfx::B2IBox( static_cast<sal_Int32>( floor(rRange.getMinX()) ),
static_cast<sal_Int32>( floor(rRange.getMinY()) ),
static_cast<sal_Int32>( ceil(rRange.getMaxX()) ),
static_cast<sal_Int32>( ceil(rRange.getMaxY()) ) );
}
::basegfx::B2IRange b2ISurroundingRangeFromB2DRange( const ::basegfx::B2DRange& rRange )
{
return ::basegfx::B2IRange( static_cast<sal_Int32>( floor(rRange.getMinX()) ),
static_cast<sal_Int32>( floor(rRange.getMinY()) ),
static_cast<sal_Int32>( ceil(rRange.getMaxX()) ),
static_cast<sal_Int32>( ceil(rRange.getMaxY()) ) );
}
::basegfx::B2DRange b2DSurroundingIntegerRangeFromB2DRange( const ::basegfx::B2DRange& rRange )
{
return ::basegfx::B2DRange( floor(rRange.getMinX()),
floor(rRange.getMinY()),
ceil(rRange.getMaxX()),
ceil(rRange.getMaxY()) );
}
} // namespace bgfxtools
} // namespace canvas
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */